<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- <script src="js/vue.js"></script> -->
    <script src="js/vue.min.js"></script>
    <script>
        Vue.config.productionTip = false
        Vue.config.silent = true
        Vue.config.devtools = true
    </script>
</head>
<body>
    <div id="app" class="aaa">
        <h1>{{ name }}</h1>
    </div>


</body>
<script>
    new Vue({
        // el:'#app',
        el:'.aaa',
        data:{
            name:'tom'
        }
    })
</script>
</html>